Library

Report comparing the performance of seven differing types of residential water heating systems in a side-by-side test configuration over a full year period.

Document about testing of seven water heating systems in the Hot Water Systems laboratory in central Florida.

Information sheet describing how to select a properly sized water heater based on household usage patterns, peak demand, and heater type—whether tankless, solar, or storage-based—to ensure efficiency and adequate hot water supply.

A website providing information on how to properly size a water heater based on tank size, volume, peak hour demand and other factors.

A website discussing the use of consumer-grade small electric wind systems such as turbines to lower energy costs.

Website providing consumers with resources to find, select and install heat pump water heaters.

Initiatives of smoke-free housing policies in New York State.

Toolkits for residents and owner/managers who live and work in federally assisted housing.

Report providing a synopsis of a project to evaluate the performance of a roof-integrated solar water heating system.

Website describing how solar water heaters -- also called solar domestic hot water systems -- can be a cost-effective way to generate hot water for your home.

Outlines the minimum criteria for a solar water heating system installed by a Solar Water Heating Program trade ally under Energy Trust of Oregon’s Solar Water Heating Program.

Report about proper water heater selection developed to provide step-by-step procedures for evaluating preferred cost-effective options for energy efficient water heater alternatives based on local utility rates, climate, and anticipated loads.

Information for properly sizing gas lines for use with tankless water heaters and other gas appliances.

Fact sheet poster describing a series of fact sheets and checklists for homeowners to share with contractors to help achieve cost-effective, energy-efficient retrofits for dozens of common home renovation projects.

Conference paper summarizing the relative performance of currently available Heat Pump Water Heaters (HPWH) models, the energy implications of different installation locations (garage, basement, or conditioned space) and ducting configurations (exhaust ducting, full ducting, or no ducting), as well...

Case study of new home construction in the hot-humid climate.

Case study of new home construction in the hot-dry and mixed-dry climate zones.

Research study identifying barriers, industry status, critical obstacles to documenting added value from energy efficiency improvements, current opportunities to support reporting about energy efficiency, and next steps toward enabling energy efficiency financing market transformation.

Even as the worst housing market correction in more than 60 years appeared to turn a corner in 2009, the fallout from sharply lower home prices and high unemployment continued.

Standard 55 specifies conditions for acceptable thermal environments and is intended for use in design, operation, and commissioning of buildings and other occupied spaces; is the current version of the standard, which was published in the year 2021, and is available for preview and purchase at the...

Fact sheet poster describing the energy efficiency and comfort benefits of thin triple-pane windows as compared to standard triple-pane and double-pane windows.

Webpage describing methods to save energy at home, including turning down your water heater set point, scheduling your HVAC system, adding or fixing weatherstripping, and changing HVAC system filters, among other tips.

Website regarding the town of Marana's services and departments.

Report about partnership to build three communities of net zero houses.

Website with consumer information about various types of lighting.

Report documenting the process and outcomes involved in achieving the U.S. Department of Energy Zero Energy Ready Home (ZERH) program certification standards while helping homebuilders in Climate Zones 5 and 6 in the Upper Midwest achieve ZERH certification.

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.

Document providing a case study of commissioned performance measures that justify costs for these demonstration and "live" show homes.

Report on investigating the effectiveness of using solar thermal water heaters to address heat losses from piping while recirculating water in multifamily buildings.

Research study comparing TRNSYS Type 604 pipe model against laboratory pipe heat loss test data and detailed field monitoring data.

Report about a project with successful integration of numerous energy-conservation and renewable-energy features into a beautiful, comfortable, and very energy-efficient off-grid home.

State building energy code for the State of Washington.

A info sheet providing information on ENERGY STAR certified water heaters and the various criteria water heaters must undergo to become ENERGY STAR certified, including metrics on efficiency and performance.

A preparedness guide guiding homeowners on how to secure an indoor home water heater safely to wall studs.

Website containing useful resources regarding central heat pump water heater systems.

This text is one of series of supporting documents that provide guidance on implementing the World Health Organization (WHO) Guidelines for drinking-water quality; intended to support improvement of water safety within buildings.

Guide designed to help builders better understand and meet the hot water delivery system criteria as specified in EPA's WaterSense New Home Specification.

Report evaluating performance/efficiency of central heat pump water heaters and quality assurance/quality control processes in system startup, operation and efficiency program participation.

Webpage outlining the definition of contracts and how they function

Information sheet discussing the differences between homeowner energy consumption trends in highly efficient homes.

Wepage providing information on ENERGY STAR certified gas tankless water heaters with information on how they cut water heating expenses as well as a product finder tool to find ENERGY STAR certified products.

Report describing work conducted by the Building Science Corporation (BSC) Building America Research Teams Energy Efficient Housing Research Partnerships project.

Article about one way to deal with the cold-water surprise effect of tankless water heaters.

Web article describing the defining characteristics of the CW and AW window performance classes.

Fact sheet poster describing and comparing the energy-saving and comfort benefits of window attachment options such as low-emissivity storm windows, automated blinds, cellular shades, and solar screens, etc.

Report describing the design and construction of a highly energy efficient community of ten duplexes in Greenfield, Massachusetts.